καταρτισμός
From LSJ
ὁ γὰρ μανθάνων κιθαρίζειν κιθαρίζων μανθάνει κιθαρίζειν → he who is learning the harp, learns the harp by harping
English (LSJ)
ὁ,
A restoration, reconciliation, Sm.Is.38.12. II Settling of a limb, Heliod. ap. Orib.49.1.1 (pl.), Sor.1.73 (pl.). III furnishing, preparation, αὐλῆς PTeb.33.12 (ii B.C.); ἱματίον PRyl. 127.28 (i A.D.). IV training, discipline, τῶν ἁγίων Ep.Eph.4.12.
German (Pape)
[Seite 1376] ὁ, = κατάρτισις, Einrenkung der Glieder, Medic. – Aussöhnung, Clem. Al.